Laboratory report showing GCMS blank analysis results for volatile organic compounds with detection limits below MDL.
NYC-WTC_000037616–000037634Folder label: “GCMS X 2/19/02 A 3/8/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
* Data File : C:\MSDCHEM\l\5973N\02MAR08\0219B.D Vial: 1 Acq On : 8 Mar 2002 10:39 am Operator: Sample : lab blank 2/19 Inst : Instrumen Mise : March 8, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 2 Propane, 1,l-dimethoxy-2-me... Concentration Rank 10
R.T. EstConc Area Relative to ISTD R.T.
3.93 0.08 ug/L 39532 1,4-Dichlorobenzene-d4 9.71
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Propane, 1,l-dimethoxy-2-methyl - 118 C6H1402 041632-89-7 78 2 ISOBUTYRALDEHYDE, DIMETHYLACETAL. .. 118 C6H14O2 000000-00-0 78 3 3-(Methylthio)-2-butanone $$ 2-B... 118 C5H10OS 053475-15-3 42 4 Heptane, 1,1-dimethoxy- (CAS) $$... 160 C9H20O2 010032-05-0 40 Abundance Scan 49 (3.927 min): 0219B.D (-) m/z 75.00 100.00% 75
5000 87 55 41 TP ■ ■ । ■ ■ ■ ■ i ■ ■ ■1 । ■ ' '' । 3.60 3.80 4,00 4.20 11 1l(.... ।.. . 1.! 1———— .. TII—00011100 207 m/z i87.10 47.37% 0- ।.।..... m/z—> 20 30 40 50 60 70 80 90 100110 120130140150160 170180 190200 21C Abundance #17846: Propane, 1,1-dimethoxy-2-methyl- 75
5000 87 ---------------- 3.60 3.80 4.00 4.20 -A— 55 m/z 55.00 30.24% 0 TTTppr -rrpT31 45i -HgDTmTT I TTIUOIUnpg] m/z—> 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #17849: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1 -Dimethoxyi.. 75 —. —AA— 3.60 3.80 4.00 4.20 5000 m/z 47.00 16.70% 87 55 29 45 ... 0 1’11 »h। i < i . |lift 1 ili i j t . J l| 1127 | r t l. | . > | .... p > . . [ I M 1 | .... | ... .j .... | .... | ... .j .... | | .... ( . . , m/z—> 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 Abundance #17584: 3-(Methylthio)-2-butanone $$ 2-Butanone, 3-(methyl... ■ ' I ■ ■ • ‘ i T T 75 3.60 3.80 4.00 4.20 m/z 41.10 12.38% 5000 118 47
m/z—> 0- 59 mmmmmlmmmmp TuOuUngO]—np—B83,—mBIp—mBpp TIUT 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 _AAA 3.60 3.80 4.00 4.20
0219B.D HP022102.M Fri Mar 15 10:08:43 2002 Page 4
NYC-WTC_000037622
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NYC-WTC_000037635
Laboratory report documenting GCMS analysis of a method blank for sample AE03508 to verify analytical system cleanliness.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037760
Laboratory report documenting GCMS analysis of a method blank for sample AE03615 to verify analytical system cleanliness.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037780
Gas chromatography-mass spectrometry analysis of sample AE03616 performed on 3/28/2002, detecting other unknown compounds with surrogate 2,4-DDD at 5.0 µg detection limit.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037740
Laboratory report documenting GCMS analysis of a method blank for sample AE03614 to verify analytical system cleanliness.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051512
Laboratory report showing GCMS blank analysis results for sample AE00555 conducted between January 29 and February 1, 2002.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010843
Laboratory report documenting a blank run for gas chromatography-mass spectrometry analysis of sample AE02713.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000052029
Laboratory report showing GCMS blank analysis of sample AE00830 with compounds below detection limits.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004494
Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
1 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009918
Calibration data for GCMS analysis including response factors for various organic compounds recorded on February 21, 2002.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010967
Gas chromatography-mass spectrometry analysis of sample AE02718 performed March 5, 2002, documenting other unknown compounds and surrogate 2,4-DDD recovery at 97 percent.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000006105
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03246 conducted on March 15, 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050189
Blank analysis report for GCMS testing of sample AD31647 confirming no contamination above detection limits.
1 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000010106
GCMS laboratory results for sample AE01637 conducted on March 5, 2002, showing surrogate recovery and unknown compounds.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010086
GCMS laboratory results for sample AE01636 conducted on March 5, 2002, showing surrogate recovery and unknown compounds.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004770
Chromatogram and method report for DFTPP calibration verification conducted on February 5, 2002.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010987
Gas chromatography-mass spectrometry analysis of sample AE02719 performed March 5, 2002, reporting other unknown compounds and surrogate 2,4-DDD recovery data.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004935
Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011027
Laboratory report documenting gas chromatography-mass spectrometry results for sample AE02720 including surrogate recovery.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
NYC-WTC_000037604
Department of Environmental Protection site log sheet for the World Trade Center area covering February and March 2002.
Filed in the same folder
NYC-WTC_000037605
Record of water sample extraction parameters including drip rates, volumes, and pH measurements from February to March 2002.
Filed in the same folder
NYC-WTC_000037611
Reference standard analysis data verifying instrument performance for detecting volatile organic compounds in water samples.
Filed in the same folder
NYC-WTC_000037635
Laboratory report documenting GCMS analysis of a method blank for sample AE03508 to verify analytical system cleanliness.
Filed in the same folder
NYC-WTC_000037655
Laboratory report listing concentrations of volatile organic compounds in sample AE03509 analyzed on March 19, 2002.
Filed in the same folder